LEXUS LC 500H (2019 year). Manual — part 13
202
4-5. Using the driving support systems
during driving (poor roads or road
seams).
●
The headlight lenses are dirty and emit a
faint amount of light at night, or the beam
axis has deviated.
●
The vehicle is struck by a crosswind.
●
The vehicle has just changed lanes or
crossed an intersection.
●
Snow tires, etc. are equipped.
■
Warning message
If the following warning message is dis-
played on the multi-information display and
the LKA indicator illuminates in orange, fol-
low the appropriate troubleshooting proce-
dure.
Warning message
Details/Actions
“Lane Keeping
Assist Malfunction
Visit Your Dealer”
The system may not
be operating prop-
erly.
Have the vehicle
inspected at
your Lexus
dealer.
“Front Camera
Unavailable
Remove Debris On
Windshield”
Dirt, rain, conden-
sation, ice, snow,
etc., are present on
the windshield in
front of the camera
sensor.
Turn the LKA
system off,
remove any dirt,
rain, condensa-
tion, ice, snow,
etc., from the
windshield, and
then turn the
LKA system
back on.
“Front Camera
Unavailable”
The operation con-
ditions of the cam-
era sensor
(temperature, etc.)
are not met.
When the opera-
tion conditions
of the camera
sensor (tem-
perature, etc.)
are met, the LKA
system will
become avail-
able. Turn the
LKA system off,
wait for a little
while, and then
turn the LKA
system back on.
“Lane Keeping
Assist Unavailable”
The LKA system is
temporarily can-
celed due to a mal-
function in a sensor
other than the cam-
era sensor.
Turn the LKA
system off and
follow the appro-
priate trouble-
shooting
procedures for
the warning
message. After-
ward, drive the
vehicle for a
short time, and
then turn the
LKA system
back on.
Warning message
Details/Actions
203
4-5. Using the driving support systems
4
Driving
If a different warning message is displayed,
follow the instructions displayed on the
screen.
■
Customization
The following settings can be changed.
For how to change settings, refer to P.391.
■
Meter display
Display
Set speed
Indicators
“Lane Keeping
Assist Unavailable
Below Approx
32MPH”
The LKA system
cannot be used as
the vehicle speed is
less than approxi-
mately 32 mph (50
km/h).
Drive the vehicle
at approxi-
mately 32 mph
(50 km/h) or
more.
“Lane Keeping
Assist Unavailable at
Current Speed”
The LKA system
cannot be used as
the vehicle speed is
too high.
Slow down.
Function
Setting details
Lane departure alert
function
Adjust alert sensitiv-
ity
Steering assist func-
tion
Turn steering wheel
assistance on and off
Vehicle sway warn-
ing function
Turn function on and
off
Adjust alert sensitiv-
ity
Lane centering
function
Turn function on and
off
Warning message
Details/Actions
Dynamic radar cruise con-
trol with full-speed range
In vehicle-to-vehicle distance con-
trol mode, the vehicle automati-
cally accelerates, decelerates and
stops to match the speed changes
of the preceding vehicle even if the
accelerator pedal is not depressed.
In constant speed control mode,
the vehicle runs at a fixed speed.
Use the dynamic radar cruise con-
trol with full-speed range on free-
ways and highways.
Vehicle-to-vehicle distance con-
trol mode (
Constant speed control mode
(
System Components
A
B
C
204
4-5. Using the driving support systems
■
Operation switches
Vehicle-to-vehicle distance switch
“+RES” switch
Cruise control main switch
Cancel switch
“-SET” switch
WARNING
■
Before using dynamic radar cruise
control with full-speed range
●
Driving safely is the sole responsibility
of the driver. Do not rely solely on the
system, and drive safely by always pay-
ing careful attention to your surround-
ings.
●
The dynamic radar cruise control with
full-speed range provides driving
assistance to reduce the driver’s bur-
den. However, there are limitations to
the assistance provided.
Read the following conditions care-
fully. Do not overly rely on this system
and always drive carefully.
• When the sensor may not be correctly
detecting the vehicle ahead:
• Conditions under which the vehicle-
to-vehicle distance control mode may
not function correctly:
●
Set the speed appropriately depend-
ing on the speed limit, traffic flow, road
conditions, weather conditions, etc.
The driver is responsible for checking
the set speed.
A
B
C
D
E
●
Even when the system is functioning
normally, the condition of the preced-
ing vehicle as detected by the system
may differ from the condition
observed by the driver. Therefore, the
driver must always remain alert, assess
the danger of each situation and drive
safely. Relying on this system or assum-
ing the system ensures safety while
driving can lead to an accident, result-
ing in death or serious injury.
●
Switch the dynamic radar cruise con-
trol with full-speed range off using the
cruise control main switch when not in
use.
■
Cautions regarding the driving assist
systems
Observe the following precautions, as
there are limitations to the assistance
provided by the system.
Failure to do so may cause an accident
resulting in death or serious injury.
●
Assisting the driver to measure follow-
ing distance
The dynamic radar cruise control with
full-speed range is only intended to
help the driver in determining the fol-
lowing distance between the driver’s
own vehicle and a designated vehicle
traveling ahead. It is not a mechanism
that allows careless or inattentive driv-
ing, and it is not a system that can assist
the driver in low-visibility conditions. It
is still necessary for driver to pay close
attention to the vehicle’s surroundings.
●
Assisting the driver to judge proper
following distance
The dynamic radar cruise control with
full-speed range determines whether
the following distance between the
driver’s own vehicle and a designated
vehicle traveling ahead is within a set
range. It is not capable of making any
other type of judgement. Therefore, it
is absolutely necessary for the driver to
remain vigilant and to determine
whether or not there is a possibility of
danger in any given situation.
205
4-5. Using the driving support systems
4
Driving
WARNING
●
Assisting the driver to operate the
vehicle
The dynamic radar cruise control with
full-speed range has limited capability
to prevent or avoid a collision with a
vehicle traveling ahead. Therefore, if
there is ever any danger, the driver
must take immediate and direct con-
trol of the vehicle and act appropri-
ately in order to ensure the safety of all
involved.
■
Situations unsuitable for dynamic
radar cruise control with full-speed
range
Do not use dynamic radar cruise control
with full-speed range in any of the follow-
ing situations.
Doing so may result in inappropriate
speed control and could cause an acci-
dent resulting in death or serious injury.
●
Roads where there are pedestrians,
cyclists, etc.
●
In heavy traffic
●
On roads with sharp bends
●
On winding roads
●
On slippery roads, such as those cov-
ered with rain, ice or snow
●
On steep downhills, or where there
are sudden changes between sharp up
and down gradients
Vehicle speed may exceed the set
speed when driving down a steep hill.
●
At entrances to freeways and highways
●
When weather conditions are bad
enough that they may prevent the sen-
sors from detecting correctly (fog,
snow, sandstorm, heavy rain, etc.)
●
When there is rain, snow, etc. on the
front surface of the radar sensor or
camera sensor
●
In traffic conditions that require fre-
quent repeated acceleration and
deceleration
●
During emergency towing
●
When an approach warning buzzer is
heard often
206
4-5. Using the driving support systems
This mode employs a radar sensor to detect the presence of vehicles up to approx-
imately 328 ft. (100 m) ahead, determines the current vehicle-to-vehicle following
distance, and operates to maintain a suitable following distance from the vehicle
ahead.
Note that vehicle-to-vehicle distance will close in when traveling on downhill slopes.
Example of constant speed cruising
When there are no vehicles ahead
The vehicle travels at the speed set by the driver. The desired vehicle-to-vehicle distance
can also be set by operating the vehicle-to-vehicle distance switch.
Example of deceleration cruising and follow-up cruising
When a preceding vehicle driving slower than the set speed appears
When a vehicle is detected running ahead of you, the system automatically decelerates
your vehicle. When a greater reduction in vehicle speed is necessary, the system applies
the brakes (the stop lights will come on at this time). The system will respond to changes in
the speed of the vehicle ahead in order to maintain the vehicle-to-vehicle distance set by
the driver. Approach warning warns you when the system cannot decelerate sufficiently to
prevent your vehicle from closing in on the vehicle ahead.
When the vehicle ahead of you stops, your vehicle will also stop (vehicle is stopped by sys-
tem control). After the vehicle ahead starts off, pressing the “+RES” switch or depressing
the accelerator pedal will resume follow-up cruising.
Example of acceleration
When there are no longer any preceding vehicles driving slower than the set
speed
The system accelerates until the set speed is reached. The system then returns to constant
speed cruising.
Driving in vehicle-to-vehicle distance control mode
A
B
C
207
4-5. Using the driving support systems
4
Driving
1
Press the cruise control main switch
to activate the cruise control.
Radar cruise control indicator will come on
and a message will be displayed on the
multi-information display.
Press the switch again to deactivate the
cruise control.
If the cruise control main switch is pressed
and held for 1.5 seconds or more, the sys-
tem turns on in constant speed control
mode. (
2
Accelerate or decelerate, with
accelerator pedal operation, to the
desired vehicle speed (at or above
approximately 30 mph [50 km/h])
and press the “-SET” switch to set
the speed.
Cruise control “SET” indicator will come
on.
The vehicle speed at the moment the
switch is released becomes the set speed.
If the switch is operated while the vehicle
speed is below approximately 30 mph (50
km/h) and a preceding vehicle is present,
the set speed will be adjusted to approxi-
mately 30 mph (50 km/h).
To change the set speed, operate the
“+RES” or “-SET” switch until the
desired set speed is displayed.
1
Increases the speed
(Except when the vehicle has been
stopped by system control in vehicle-to-
vehicle distance control mode)
2
Decreases the speed
Fine adjustment: Press the switch.
Large adjustment: Press and hold the
switch to change the speed, and
release when the desired speed is
reached.
In the vehicle-to-vehicle distance con-
trol mode, the set speed will be
increased or decreased as follows:
For the U.S. mainland and Hawaii
Fine adjustment: By 1 mph (1.6 km/h)
*1
or 1
Setting the vehicle speed (vehi-
cle-to-vehicle distance control
mode)
Adjusting the set speed
208
4-5. Using the driving support systems
km/h (0.6mph)
*2
each time the switch is
pressed
Large adjustment: Increases or decreases
in 1mph (1.6 km/h)
*1
or 1 km/h (0.6 mph)
*2
increments for as long as the switch is held
For Canada and Puerto Rico
Fine adjustment: By 1 mph (1.6 km/h)
*1
or 1
km/h (0.6mph)
*2
each time the switch is
pressed
Large adjustment: Increases or decreases
in 5 mph (8 km/h)
*1
or 5 km/h (3.1 mph)
*2
increments for as long as the switch is held
In the constant speed control mode
(
P.210), the set speed will be
increased or decreased as follows:
Fine adjustment: By 1 mph (1.6 km/h)
*1
or 1
km/h (0.6 mph)
*2
each time the switch is
pressed
Large adjustment: The speed will continue
to change while the switch is held.
*1
: When the set speed is shown in “MPH”
*2
: When the set speed is shown in “km/h”
Pressing the switch changes the vehi-
cle-to-vehicle distance as follows:
1
Long
2
Medium
3
Short
The vehicle-to-vehicle distance is set auto-
matically to long mode when the engine
switch <power switch> is turned to IGNI-
TION ON mode <ON mode>.
If a vehicle is running ahead of you, the pre-
ceding vehicle mark
will also be dis-
played.
Select a distance from the table below.
Note that the distances shown corre-
spond to a vehicle speed of 50 mph
(80 km/h). Vehicle-to-vehicle distance
increases/decreases in accordance
with vehicle speed. When the vehicle is
stopped by system control, the vehicle
stops at a certain vehicle-to-vehicle
distance depending on the situation.
After the vehicle ahead of you starts
Changing the vehicle-to-vehicle
distance (vehicle-to-vehicle dis-
tance control mode)
Vehicle-to-vehicle distance set-
tings (vehicle-to-vehicle dis-
tance control mode)
Distance options
Vehicle-to-vehicle
distance
Long
Approximately 160
ft. (50 m)
Medium
Approximately 130
ft. (40 m)
Short
Approximately 100
ft. (30 m)
Resuming follow-up cruising
when the vehicle has been
stopped by system control (vehi-
cle-to-vehicle distance control
mode)
A
209
4-5. Using the driving support systems
4
Driving
off, press the “+RES” switch.
Your vehicle will also resume follow-up
cruising if the accelerator pedal is
depressed after the vehicle ahead of
you starts off.
1
Pressing the cancel switch cancels
the speed control.
The speed control is also canceled when
the brake pedal is depressed.
(When the vehicle has been stopped by
system control, depressing the brake pedal
does not cancel the setting.)
2
Pressing the “+RES” switch
resumes the cruise control and
returns vehicle speed to the set
speed.
However, when a vehicle ahead is not
detected, cruise control does not resume
when the vehicle speed is approximately
25 mph (40 km/h) or less.
When your vehicle is too close to a
vehicle ahead, and sufficient automatic
deceleration via the cruise control is
not possible, the display will flash and
the buzzer will sound to alert the driver.
An example of this would be if another
driver cuts in front of you while you are
following a vehicle. Depress the brake
pedal to ensure an appropriate vehi-
cle-to-vehicle distance.
■
Warnings may not occur when
In the following instances, warnings
may not occur even when the vehicle-
to-vehicle distance is small.
When the speed of the preceding
vehicle matches or exceeds your
vehicle speed
When the preceding vehicle is trav-
eling at an extremely slow speed
Immediately after the cruise control
speed was set
When depressing the accelerator
pedal
Canceling and resuming the
speed control
Approach warning (vehicle-to-
vehicle distance control mode)
210
4-5. Using the driving support systems
When constant speed control mode is
selected, your vehicle will maintain a
set speed without controlling the vehi-
cle-to-vehicle distance. Select this
mode only when vehicle-to-vehicle dis-
tance control mode does not function
correctly due to a dirty radar sensor,
etc.
1
With the cruise control off, press
and hold the cruise control main
switch for 1.5 seconds or more.
Immediately after the switch is pressed, the
radar cruise control indicator will come on.
Afterwards, it switches to the cruise con-
trol indicator.
Switching to constant speed control mode
is only possible when operating the switch
with the cruise control off.
2
Accelerate or decelerate, with
accelerator pedal operation, to the
desired vehicle speed (at or above
approximately 25 mph [40 km/h])
and press the “-SET” switch to set
the speed.
Cruise control “SET” indicator will come
on.
The vehicle speed at the moment the
switch is released becomes the set speed.
Adjusting the speed setting:
Canceling and resuming the speed setting:
■
Dynamic radar cruise control with full-
speed range can be set when
●
The shift position is in D.
●
LC500: Range 4 or higher of D has been
selected by using the paddle shift switch.
●
Vehicle speed is at or above approxi-
mately 30 mph (50 km/h).
However, when a preceding vehicle is
detected, the dynamic radar cruise con-
trol with full-speed range can be set even
if the vehicle speed is below approxi-
mately 30 mph (50 km/h).
■
Accelerating after setting the vehicle
speed
The vehicle can accelerate by operating the
accelerator pedal. After accelerating, the
set speed resumes. However, during vehi-
cle-to-vehicle distance control mode, the
vehicle speed may decrease below the set
speed in order to maintain the distance to
the preceding vehicle.
■
When the vehicle stops while follow-up
cruising
●
Pressing the “+RES” switch while the
vehicle ahead stops will resume follow-up
cruising if the vehicle ahead starts off
within approximately 3 seconds after the
switch is pressed.
●
If the vehicle ahead starts off within 3 sec-
onds after your vehicle stops, follow-up
cruising will be resumed.
■
Automatic cancelation of vehicle-to-
vehicle distance control mode
Vehicle-to-vehicle distance control mode is
automatically canceled in the following situ-
Selecting constant speed con-
trol mode
211
4-5. Using the driving support systems
4
Driving
ations.
●
Actual vehicle speed falls at or below
approximately 25 mph (40 km/h) when
there are no vehicles ahead.
●
The preceding vehicle leaves the lane
when your vehicle is following at a vehicle
speed at or below approximately 25 mph
(40 km/h). Otherwise, the sensor can
not properly detect the vehicle.
(“CRUISE NOT AVAILABLE No Pre-
ceding Vehicles” is displayed on the
multi-information display)
●
VSC is activated.
●
TRAC is activated for a period of time.
●
When the VSC or TRAC system is
turned off.
●
When snow mode is set.
●
The sensor cannot detect correctly
because it is covered in some way.
●
Pre-collision braking is activated.
●
The parking brake is operated.
●
The vehicle is stopped by system control
on a steep incline.
●
The following are detected when the
vehicle has been stopped by system con-
trol:
• The driver is not wearing a seat belt.
• The driver’s door is opened.
• The vehicle has been stopped for about 3
minutes
If vehicle-to-vehicle distance control mode
is automatically canceled for any other rea-
son, there may be a malfunction in the sys-
tem. Contact your Lexus dealer.
■
Automatic cancelation of constant
speed control mode
Constant speed control mode is automati-
cally canceled in the following situations:
●
Actual vehicle speed is more than
approximately 10 mph (16 km/h) below
the set vehicle speed.
●
Actual vehicle speed falls below approxi-
mately 25 mph (40 km/h).
●
VSC is activated.
●
TRAC is activated for a period of time.
●
When the VSC or TRAC system is
turned off.
●
Pre-collision braking is activated.
If constant speed control mode is automati-
cally canceled for any other reason, there
may be a malfunction in the system. Con-
tact your Lexus dealer.
■
Brake system operation sound
If the brakes are applied automatically while
the vehicle is in vehicle-to-vehicle distance
control mode, a brake system operation
sound may be heard. This does not indicate
a malfunction.
■
If “Radar Cruise Control Unavailable” is
shown on the multi-information display
The radar cruise control system cannot be
used temporarily. Use the system when it
becomes available again.
■
Warning messages and buzzers for
dynamic radar cruise control with full-
speed range
Warning messages and buzzers are used to
indicate a system malfunction or to inform
the driver of the need for caution while driv-
ing. If a warning message is shown on the
multi-information display, read the message
and follow the instructions.
■
When the sensor may not be correctly
detecting the vehicle ahead
In the case of the following and depending
on the conditions, operate the brake pedal
when deceleration of the system is insuffi-
cient or operate the accelerator pedal
when acceleration is required.
As the sensor may not be able to correctly
detect these types of vehicles, the approach
warning (
●
Vehicles that cut in suddenly
●
Vehicles traveling at low speeds
●
Vehicles that are not moving in the same
lane
●
Vehicles with small rear ends (trailers
with no load on board, etc.)
212
4-5. Using the driving support systems
●
Motorcycles traveling in the same lane
●
When water or snow thrown up by the
surrounding vehicles hinders the detect-
ing of the sensor
●
When your vehicle is pointing upwards
(caused by a heavy load in the luggage
compartment, etc.)
●
Preceding vehicle has an extremely high
ground clearance
■
Conditions under which the vehicle-to-
vehicle distance control mode may not
function correctly
In the case of the following conditions,
operate the brake pedal (or accelerator
pedal, depending on the situation) as nec-
essary.
As the sensor may not be able to correctly
detect vehicles ahead, the system may not
operate properly.
●
When the road curves or when the lanes
are narrow
●
When steering wheel operation or your
position in the lane is unstable
●
When the vehicle ahead of you deceler-
ates suddenly
●
When driving on a road surrounded by a
structure, such as in a tunnel or on a
bridge
●
While the vehicle speed is decreasing to
the set speed after the vehicle acceler-
ates by depressing the accelerator pedal
213
4-5. Using the driving support systems
4
Driving
1
Normal mode/Custom mode
Normal mode and custom mode are
selected by pressing the driving mode
select switch. Each time the switch is
pressed, the driving mode changes
between normal mode and custom mode.
When custom mode is selected, the “Cus-
tom” indicator comes on.
Press the switch to change the driving
mode to normal mode when not in normal
mode.
• Normal mode
Provides an optimal balance of fuel econ-
omy, quietness, and dynamic performance.
Suitable for city driving.
When the shift position is in D, an appropri-
ate gear for sporty driving may automati-
cally be selected according to driver
performance and driving conditions.
• Custom mode
Allows you to drive with the power train,
chassis and air conditioning system func-
tions set to your preferred settings.
Custom mode settings can only be
changed on the drive mode customization
display of the Center Display. (
2
Comfort mode
By controlling the suspension, riding com-
fort is further enhanced. Suitable for city
driving.
When not in comfort mode and the driving
mode select switch is turned forward, the
“Comfort” indicator comes on.
3
Eco drive mode
Helps the driver accelerate in an eco-
friendly manner and improve fuel economy
through moderate throttle characteristics
and by controlling the operation of the air
conditioning system (heating/cooling).
When in comfort mode, if the driving mode
select switch is turned forward, the “Eco”
indicator comes on.
4
Sport mode
• SPORT S mode
Controls the transmission and engine to
provide quick, powerful acceleration. This
mode is suitable for when agile driving
response is desired, such as when driving
on roads with many curves.
When not in SPORT S mode, if the driving
mode select switch is turned backward, the
“Sport S” indicator comes on.
• SPORT S+ mode
Provides earlier downshift timing than
SPORT S mode in order to maintain a high
engine speed and provides faster gear
changes. This mode also changes the
steering feel, suspension control and
VDIM control, making it suitable for pow-
Driving mode select switch
The driving modes can be selected
to suit driving condition.
Selecting the driving mode
214
4-5. Using the driving support systems
erful sporty driving.
When in SPORT S mode, if the driving
mode select switch is turned backward, the
“Sport S+” indicator comes on.
■
Operation of the air conditioning sys-
tem in Eco drive mode
Eco drive mode controls the heating/cool-
ing operations and fan speed of the air con-
ditioning system to enhance fuel efficiency.
To improve air conditioning performance,
perform the following operations:
●
Turn off eco air conditioning mode
(
●
Adjust the fan speed (
●
Turn off Eco drive mode (
■
Automatic deactivation of sport mode
and custom mode
If the engine switch <power switch> is
turned off after driving in sport mode or
custom mode, the drive mode will be
changed to normal mode.
■
Driving mode pop-up display
When the driving mode is changed, the
selected driving mode will be temporarily
displayed on the side display. (
For custom mode, select “Setting” on the
display to customize the driving mode.
*
: If equipped
■
Types of sensors
Front corner sensors
Front center sensors
Rear corner sensors
Rear center sensors
■
Display
When the sensors detect an obstacle, a
graphic is shown on the multi-informa-
tion display, head-up display and Cen-
ter Display depending on the position
and distance to the obstacle.
Multi-information display and head-
Intuitive parking assist
*
The distance from your vehicle to
nearby obstacles when parallel
parking or maneuvering into a
garage is measured by the sensors
and communicated via the multi-
information display, head-up dis-
play (if equipped), Center Display
and a buzzer. Always check the sur-
rounding area when using this sys-
tem.
System components
A
B
C
D
215
4-5. Using the driving support systems
4
Driving
up display
Front corner sensor detection
Front center sensor detection
Rear corner sensor detection
Rear center sensor detection
Center Display
A graphic is shown when the Lexus park-
ing assist monitor is displayed (insert dis-
play)
A simplified image is displayed on the
upper right corner of the Center Display
when an obstacle is detected.
1
Press
or
of the meter con-
trol switches, and select
.
2
Press
or
of the meter con-
trol switches, and select “Parking
Assist”, and press “OK”.
When the intuitive parking assist turn
on, the intuitive parking assist indicator
comes on to inform the driver that the
system is operational.
■
The intuitive parking assist can be oper-
ated when
●
Front center sensors:
• The engine switch <power switch> is in
IGNITION ON mode <ON mode>.
• The shift position is in a position other
than P or R.
• The vehicle speed is less than about 6
mph (10 km/h).
●
Front corner sensors:
• The engine switch <power switch> is in
IGNITION ON mode <ON mode>.
• The shift position is in a position other
than P.
• The vehicle speed is less than about 6
mph (10 km/h).
(At any speed when the shift position is in
R)
●
Rear corner and rear center sensors:
• The engine switch <power switch> is in
IGNITION ON mode <ON mode>.
• The shift position is in R.
■
Muting the buzzer sound
●
To mute the buzzer sound:
The buzzer can be temporarily muted by
pressing “OK” of the meter control switches
while an obstacle detection display is shown
on the multi-information display.
●
To cancel the mute:
Mute will be automatically canceled in the
following situations.
• When the shift position is changed
(except shifting from D to N, or N to D)
• When the vehicle speed has reached or
exceeded 6 mph (10 km/h) with the shift
position in D
• When the intuitive parking assist is turned
off once and turned on again
Turning intuitive parking assist
on/off
A
B
C
D
216
4-5. Using the driving support systems
• When the engine switch <power switch>
is turned off once and turned to IGNI-
TION ON mode <ON mode> again
■
If “Clean Parking Assist Sensor” is dis-
played on the multi-information display
A sensor may be dirty or covered with snow
or ice. In such cases, if it is removed from
the sensor, the system should return to nor-
mal.
Also, due to the sensor being frozen at low
temperatures, a malfunction display may
appear or an obstacle may not be detected.
If the sensor thaws out, the system should
return to normal.
■
If “Parking Assist Malfunction” or “Park-
ing Assist Malfunction Visit Your
Dealer” is displayed on the multi-infor-
mation display
There is a malfunction and the device may
not be working properly.
Have the vehicle inspected by your Lexus
dealer.
■
Sensor detection information
●
The sensor’s detection areas are limited
to the areas around the vehicle’s front and
rear bumpers.
●
Certain vehicle conditions and the sur-
rounding environment may affect the
ability of the sensor to correctly detect
obstacles. Particular instances where this
may occur are listed below.
• There is dirt, snow or ice on the sensor.
(Wiping the sensors will resolve this
problem.)
• The sensor is frozen. (Thawing the area
will resolve this problem.)
In especially cold weather, if a sensor is
frozen the screen may show an abnormal
display, or obstacles may not be
detected.
• The sensor is covered in any way.
• The vehicle is leaning considerably to one
side.
• On an extremely bumpy road, on an
incline, on gravel, or on grass.
• The vicinity of the vehicle is noisy due to
vehicle horns, motorcycle engines, air
brakes of large vehicles, or other loud
noises producing ultrasonic waves.
• There is another vehicle equipped with
parking assist sensor in the vicinity.
• The sensor is coated with a sheet of spray
or heavy rain.
• The vehicle is equipped with a fender
pole or wireless antenna.
• Towing eyelets are installed.
• The bumper or sensor receives a strong
impact.
• The vehicle is approaching a tall or
curved curb.
• In harsh sunlight or intense cold weather.
• The area directly under the bumpers is
not detected.
• If obstacles draw too close to the sensor.
• A non-genuine Lexus suspension (low-
ered suspension etc.) is installed.
• People may not be detected if they are
wearing certain types of clothing.
In addition to the examples above, there are
instances in which, because of their shape,
signs and other objects may be judged by
the sensor to be closer than they are.
●
The shape of the obstacle may prevent
the sensor from detecting it. Pay particu-
lar attention to the following obstacles:
• Wires, fences, ropes, etc.
• Cotton, snow and other materials that
absorb sound waves
• Sharply-angled objects
• Low obstacles
• Tall obstacles with upper sections pro-
jecting outwards in the direction of your
vehicle
●
The following situations may occur
during use.
• Depending on the shape of the obstacle
and other factors, the detection distance
may shorten, or detection may be impos-
sible.
• Obstacles may not be detected if they
are too close to the sensor.
• There will be a short delay between
obstacle detection and display. Even at
slow speeds, there is a possibility that the
obstacle will come within the sensor’s
detection areas before the display is
shown and the warning beep sounds.
• Thin posts or objects lower than the sen-
sor may not be detected when
approached, even if they have been
detected once.
• It might be difficult to hear beeps due to
217
4-5. Using the driving support systems
4
Driving
the volume of the audio system or air flow
noise of the air conditioning system.
• It might be difficult to hear beeps due to
the sounds of other systems.
■
Customization
Some functions can be customized.
(
■
Certification
For vehicles sold in the U.S.A.
For vehicles sold in Canada
WARNING
■
When using the intuitive parking
assist
Observe the following precautions.
Failing to do so may result in the vehicle
being unable to be driven safely and pos-
sibly cause an accident.
●
Do not use the sensor at speeds in
excess of 6 mph (10 km/h).
●
The sensors’ detection areas and reac-
tion times are limited. When moving
forward or reversing, check the areas
surrounding the vehicle (especially the
sides of the vehicle) for safety, and
drive slowly, using the brake to control
the vehicle’s speed.
●
Do not install accessories within the
sensors’ detection areas.
NOTICE
■
When using intuitive parking assist
In the following situations, the system
may not function correctly due to a sen-
sor malfunction etc. Have the vehicle
checked by your Lexus dealer.
●
The intuitive parking assist operation
display flashes or shows continuously,
and a beep sounds when no obstacles
are detected.
●
If the area around a sensor collides
with something, or is subjected to
strong impact.
●
If the bumper or grille collides with
something.
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